first lady michelle obama, the headliner. she'll close it out. wendell goler will tell us what to expect. he's live outside the time warner cable arena in charlotte. what's up, wendell? >> good morning. michelle obama is not the keynote speaker tonight. that slot goes to san antonio mayor. but she may be the person most folks remember from tonight. it's her picture on the front page of the charlotte observer this morning, a picture taken at her walk through of the stage yesterday as workers were putting the finishing touches on the convention hall, which is the charlotte bobcat basketball arena. four years ago, president obama told her story. tonight the first lady will tell his. child of a single mother, raised in part by working grandparents. she says when they got out of college, their student loan payments were more than their mortgage. her role, much like ann romney's at the republican convention in tampa, is to make a personal appeal for the president and to lend him her popularity if that's possible. mr. obama toured parts of new orleans,